Multiple rounds of interview. Short conversation in English with a recruiter, then I got a short online quiz, and was quickly invited to the first round of onsite interview with live coding, discussing technical topics, solving some easy math problems. Then I talked to some higher ups, that went well too, so a few days later I got an invitation to yet another interview round. I solved some math problems, was told that I made it to the next round again, which involved some simple coding and pretty much no math.

Two rounds of interviews with quant developers: the interviewers ask about algorithms, data structure, and probabilities. One final round with the department's Chief: ask about probability, finance (binomial tree) as well as a brain teaser programming question.